Product Overview
The BUCHER CINDY 25-B-CND-S500-A-G21-1 (part number 3006013015) is a high-performance load control valve from the Bucher Hydraulics CINDY series, engineered for precise load holding, controlled lowering, and overcenter protection in demanding hydraulic circuits. As a pressure control valve, it combines the functions of a pilot-operated check valve and a pressure relief valve within a single compact cartridge-style body, ensuring that suspended or overrunning loads remain securely locked in position until a pilot pressure signal initiates controlled motion. The valve is designed for direct integration into manifold blocks or line-mounted configurations, providing reliable load control in mobile and industrial hydraulic systems where safety, stability, and precise motion control are critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve — Pressure Control Valve (Load Control Valve) |
| Model Designation | CINDY 25-B-CND-S500-A-G21-1 / 3006013015 |
| Manufacturer | Bucher Hydraulics |
| Series | CINDY 25 (Cartridge Load Control Valve) |
| Operating Pressure | Standard Industrial Grade (Up to rated bar per CINDY 25 series) |
| Function | Pilot-operated check / load holding with pressure relief and overcenter protection |
| Mounting & Connection | Standard ISO / Manufacturer Cartridge Interface |
| Seal Configuration | Industrial-grade sealing system for leak-free load holding |
Engineering Features & Advantages
- Precision Load Holding: Pilot-operated check function locks the actuator in position under load, preventing drift and uncontrolled descent in the event of hose or line failure.
- Controlled Lowering & Overcenter Protection: Integrated pressure relief and overcenter characteristics ensure smooth, stable lowering of overrunning loads with precise pilot pressure metering.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust cartridge construction resistant to pressure spikes and contamination.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM Bucher CINDY 25 specifications, ensuring drop-in installation without modification.
- Compact Cartridge Design: Space-saving integration into manifold blocks reduces system complexity and potential leak points.
Typical Industrial Applications
The BUCHER CINDY 25-B-CND-S500-A-G21-1 load control valve is widely deployed in heavy industrial and mobile hydraulic systems, including: plastic injection molding machines requiring precise mold clamping and ejection control; metallurgical presses and forging equipment where load holding under extreme force is essential; construction and marine hydraulics such as crane outriggers, winches, and deck machinery; and CNC machine tools and automated handling systems demanding stable, repeatable actuator positioning under varying loads.
PRODUCT IMAGES

BUCHER CINDY 25-B-CND-S500-A-G21-1 / 3006013015 Load Control Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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